Canon FACSIMILE BASIC 2000 Service Manual page 228

G3 FACSIMILE COMMUNICATIONS
• Mode change
The transmitter sends PPS-EOM and the receiver sends the MCF signal.
Then the receiver sends the DIS signal and the transmitter sends the DCS
signal to change the mode.
5–86
When Canon fax
machines communicate
with each other, a special
procedure is used, so this
protocol is omitted.
Fig. 5-62 Mode Change
TX RX
Image
data
Turn-off
Sh
Sh
Sh
Sh
ALT
ALT
E
E
PPS-EOM
flags
MCF
flags
flags
NSF
CSI
DIS
NSS
TSI
flags
DCS
flags
CFR
flags
"1"
S
S
PP
B1
Image
data
Turn-off